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Wikipedia requires a patch to load its data from the dumps with mwdumper
Closed, DeclinedPublicBUG REPORT


I just read:

This could be several things:

  • The importer is outdated
  • The gap between HEAD and the latest stable released version
  • The dumps have some kind of incompatibility
  • The mediawiki code is old/not suitable for Wikipedias
  • The MySQL databases in production are not in sync with Mediawiki

Investigate and solve the issue, in case it is not already reported.

This is the link to the patch suggested on that article:

Event Timeline

jcrespo moved this task from Triage to Backlog (help welcome) on the DBA board.

Low because it is not yet verified or clear.

The problem seems to be that mwdumper is providing the page_counter column, which was removed in MediaWiki 1.25:

Given the timestamp of mwdumper files, it's clearly outdated.

brooke subscribed.

Going to land a couple maintenance patches this weekend, adding this to my queue.

Aklapper subscribed.

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Aklapper changed the subtype of this task from "Task" to "Bug Report".Feb 6 2022, 5:56 PM
hashar subscribed.

mwdumper is no more able to process dump generated since MediaWiki 1.31 (released in June 2018). The tool started in 2005 and is no more maintained, it is thus being archived, see T351228 for reference.